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Updated: Apr 14, 2026

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
João Mendes Cravo1, Diogo Rosa Ferreira1, Ana Abreu Bernardes2
1Department of Cardiology, ULS Santa Maria, Faculdade de Medicina, CAML, CCUL@RISE, Universidade de Lisboa, Lisboa, Portugal.
This case study shows a hybrid dual-chamber leadless pacing system using two different manufacturers successfully restored atrioventricular (AV) synchrony in a patient with complete AV block and sinus node dysfunction, improving symptoms.
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